Question

multiply.
123 × 3 = □

Explanation:

Step1: Multiply the units digit

Multiply 3 (units digit of 123) by 3: \(3\times3 = 9\).

Step2: Multiply the tens digit

Multiply 2 (tens digit of 123) by 3: \(2\times3 = 6\).

Step3: Multiply the hundreds digit

Multiply 1 (hundreds digit of 123) by 3: \(1\times3 = 3\).

Step4: Combine the results

Combine the products from each digit: \(3\times100 + 6\times10 + 9\times1 = 300 + 60 + 9 = 369\).

Answer:

369